| 摘要 |
PROBLEM TO BE SOLVED: To prevent the performance of a lottery with a high probability of generating a jackpot game incapable of acquiring many prize balls when an opening extension function is in operation (at the time of a high probability game state) in spite of a situation where a well-organized interesting Pachinko game machine is made while maintaining the profit balance of a game parlor and game players by setting high the probability of generating the jackpot game incapable of acquiring many prize balls during a normal probability game state, and setting high the probability of generating the jackpot game capable of acquiring many prize balls when the opening extension function is in operation (at the time of the high probability game state). SOLUTION: At the time of the opening extension function operation, when a normal symbol is determined and displayed by a pattern showing win, an open pattern with the shortest interval time among open patterns of plural kinds of second special symbol start pockets 14 is selected if the reserved memory number of the second special symbol is zero, and an open pattern with the longest interval time is selected if the reserved memory number of the second special symbol is four which is a full number. COPYRIGHT: (C)2010,JPO&INPIT
|
